StepInput
Fields and helper methods on the StepInput object passed to each workflow step.
| Parameter | Type | Description |
|---|---|---|
input | Optional[Union[str, Dict[str, Any], List[Any], BaseModel]] | Primary input message (can be any format) |
previous_step_content | Optional[Any] | Content from the last step |
previous_step_outputs | Optional[Dict[str, StepOutput]] | All previous step outputs by name |
additional_data | Optional[Dict[str, Any]] | Additional context data |
images | Optional[List[Image]] | Media inputs - images (accumulated from workflow input and previous steps) |
videos | Optional[List[Video]] | Media inputs - videos (accumulated from workflow input and previous steps) |
audio | Optional[List[Audio]] | Media inputs - audio (accumulated from workflow input and previous steps) |
files | Optional[List[File]] | File inputs (accumulated from workflow input and previous steps) |
workflow_session | Optional[WorkflowSession] | The workflow session, used by the workflow history helpers |
Helper Functions
| Method | Return Type | Description |
|---|---|---|
get_input_as_string() | Optional[str] | Convert the primary input to a string |
get_step_output(step_name: str) | Optional[StepOutput] | Get the complete StepOutput object from a specific step by name |
get_step_content(step_name: str) | Optional[Any] | Get content from a specific step by name |
get_all_previous_content() | str | Get all previous step content combined |
get_last_step_content() | Optional[Any] | Get content from the immediate previous step |
get_workflow_history(num_runs: Optional[int] = None) | List[Tuple[str, str]] | Get the workflow history as a list of tuples |
get_workflow_history_context(num_runs: Optional[int] = None) | Optional[str] | Get the workflow history as a formatted context string |